Em hãy chỉ ra những hình ảnh tương phản trong đoạn văn và nêu tác dụng của chúng"Gần một giờ đêm... khúc đê này hỏng mất"help mik vs ah

      In Western countries, electricity, gas, and water are not (1)                    but necessities. Companies now realize that consumers want (2)                                  that will not only work effectively, (3)                            save money.

      For most North American households, lighting (4)                      for 10 percent to 15 percent of the electricity (5)                           . However, this amount can be (6)                  by replacing an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use a (7)                                    of the electricity of standard bulbs and last eight times (8)                                   . Therefore, consumers can save about US$7 to US$21 per bulb. In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy efficiency each model has, compared (9)                    other appliances in the same category. Ultimately, these innovations will save money as well as (10)             the earth’s resources

      1.   A. launching                B. luxuries                   C. coming                    D. peaking

      2.   A. tickets                     B. weapons                 C. spaceships               D. products

      3.   A. but also                   B. towards                  C. with                        D. into

      4.   A. as good as               B. like as                     C. accounts                 D. such as

      5.   A. burnt                       B. bill                          C. went off                  D. banged

      6.   A. reduced                  B. audience                 C. observatories          D. watcher

IV. Give the correct form of the words given to complete sentences.

      1.   We should use them                             and try to find out                  ECONOMY                     alternative sources of power.

      2.   Solar energy is                        , plentiful and clean.                            RENEW

      3.   I think that solar energy can be an                               source of        ALTER                            energy in the near future.

      4.   We should reduce the use of                          at home.                     ELECTRICAL

      5.   It’s a clean source of energy. Sailboats couldn’t move without        POWERFUL                         this             .

      6.   Waves will be used as an                     friendly source of energy.      ENVIRONMENT

      7.   Limit car trips by relying on biking, walking, public                         TRANSPORT                                   .

      8.   Solar power can be used to                              or cool our houses.     HOT

      9.   Energy is used to                     a lot of electrical things.                    PRODUCT

      10. There will be a                         of energy in the near future.              SHORT

cai j day=)

Bài 4. Cho tam giác ABC cân tại A, kẻ𝐴𝐻⊥𝐵𝐶(𝐻∈𝐵𝐶).Trên các đoạn thẳng HBvà HC, lấy các điểm D và E sao cho 𝐵𝐷=𝐶𝐸.So sánh các độdài AD, AE bằng cách xét hai hình chiếu.help mik vss